Retrofitting ultrasonic backup assist - AZ54.65-P-0001J

MODEL 220.0/1 up to 30.6.02 except CODE (550) Trailer hitch 

Fig 1: Retrofitting Ultrasonic Backup Assist

Courtesy of MERCEDES-BENZ USA

	Removing
	Risk of explosion  caused by escaping oxyhydrogen gas. Risk of injury  caused by caustic burns to eyes, skin and mucous membranes from battery electrolyte (contains diluted sulfuric acid) or metal spatter due to short circuit. Risk of burn injuries  caused by short circuit. Risk of poisoning  caused by swallowing battery electrolyte (contains diluted sulfuric acid) or absorption of lead over the skin or orifices	No fire, sparks, open flames or smoking. Wear acid-resistant gloves and clothing and safety glasses with side guards. Do not place any conductive objects on the battery and avoid any short circuit from battery positive to ground. Only fill liquid battery electrolyte (diluted sulfuric acid) into suitable and appropriately marked containers.	AS54.10-Z-0001-01A
1	Disconnect ground lead from battery
			AR54.10-P-0003I
	Notes on battery	All models	AH54.10-P-0001-01A
	Notes on AGM battery	Only if installed: MODEL 220.028 with CODE (450) Taxi version MODEL 220.070/075/175/178/875/878 as of 1.1.01.	AH54.10-P-0002-01A
2	Remove rear bumper
			AR88.20-P-2200M
3	Remove impact absorber from bumper
4	Remove trim panel in trunk	Right trim panel.
		Model 220.026/028/063/065/070/073/075/128/165/170/173/175/178/875/878.	AR68.30-P-4600M
5	Remove paneling on C-pillar	Right C-pillar.
			AR68.30-P-4490M
	Installing
6	Paint sensors and contour rings		AZ54.65-P-0001-01A
7	Drill holes in bumper		AZ54.65-P-0001-02I
8	Install and connect sensors		AZ54.65-P-0001-03A
9	Install impact absorber in bumper
10	Install rear bumper	Pass connecting cable of sensor wiring harness through the determined or pre-prepared hole in the rear end into the trunk. Seal the hole with a rubber grommet.
			AR88.20-P-2200M
11	Install control module		AZ54.65-P-0001-04J
12	Install display instrument		AZ54.65-P-0001-05K
13	Route and connect wiring harness		AZ54.65-P-0001-06A
14	Install paneling on C-pillar
			AR68.30-P-4490M
15	Install trim panel in trunk
		Model 220.026/028/063/065/070/073/075/128/165/170/173/175/178/875/878.	AR68.30-P-4600M
16	Connect ground lead to battery
			AR54.10-P-0003I
17	Check ultrasonic backup assist		AZ54.65-P-0001-07A
18	Hand the manufacturer's safety/operating instructions to the customer when returning the vehicle